export function hasOwn(obj, key) {
  return hasOwnProperty.call(obj, key)
}
export function isVNode(node) {
  return node !== null && typeof node === 'object' && hasOwn(node, 'componentOptions')
}

// 是否字符串
export function isString2(str) {
  return typeof str == 'string' && str.constructor == String
}
export function isString(obj) {
  return Object.prototype.toString.call(obj) === '[object String]'
}
export function isObject(obj) {
  return Object.prototype.toString.call(obj) === '[object Object]'
}
export function isNumber(obj) {
  return Object.prototype.toString.call(obj) === '[object Number]'
}
// 是否完整的
export function isDef(val) {
  return val !== undefined && val !== null
}
//
export function isKorean(text) {
  const reg = /([(\uAC00-\uD7AF)|(\u3130-\u318F)])+/gi
  return reg.test(text)
}

export function isHtmlElement(node) {
  return node && node.nodeType === Node.ELEMENT_NODE
}
export const isUndefined = val => {
  return val === void 0
}
